5/24 Volt DC (TTL) Negative Logic Output, 32 Point IC693MDL752 The 5/24 volt DC (TTL) Negative Logic Output module for the Series 90-30 Programmable Logic Controller provides 32 discrete outputs. The outputs are arranged in four isolated groups of eight (A1 - A8, B1 - B8, C1 - C8, and D1 - D8); each group has its own common. The outputs are negative logic or sinking type outputs (i.e., the ON state for a point results in an active low output). The module has two modes of operation. In the TTL mode, the outputs can switch user loads across +5 VDC ( 5%) and are capable of sinking a maximum current of 25 mA per point. In the 12/24V mode, the outputs can switch user loads over the range of +12 through 24 VDC (+20%, 15%) and are capable of sinking a maximum current of 0.5A per point. Two pins are provided on the user I/O connectors for each group common. Each pin has a current handling capability of 3 amperes. It is recommended that connections are made to both pins when connecting the common; however, it is a requirement for high current applications (between 3 and 4 amperes). Each group can be used in the mode of operation needed to satisfy the load requirements for a particular application. For example, group A can drive TTL loads and group B can drive 12 VDC loads, while group C and D can be reserved for driving 24 VDC loads. It is important to note, however that the effects of electrical noise must be considered when mixing TTL and inductive-type loads. An internal pull-up resistor is provided for each point. The function of each resistor is to passively pull up the output to the user positive side power input (typically +5V for TTL mode) when the output point FET is OFF, thereby providing a high logic level for TTL applications. All 32 outputs are forced OFF when the CPU is stopped. Power to provide current to the loads must be provided by the user. The module also draws a minimum amount of power from the user supply to provide gate drive to the output devices. Backplane isolation between the field side and logic side is provided by opto-couplers on the module. No special fault or alarm diagnostics are reported. LED indicators (labeled A1 - A8, B1 - B8, C1 - C8, D1 - D8) at the top of the module provide the ON/OFF status of each output point. This module is configured as a 32-point output type and uses 32 bits of discrete %Q output data. This module can be installed in any I/O slot of a 5 or 10-slot baseplate in a Series 90-30 PLC system. Connections to the output circuits are made from the user s load devices to two male (pin-type) 24-pin connectors (Fujitsu FCN-365P024-AU) mounted on the front of the module. The connector mounted on the right of the module (front view) interfaces with groups A and B. The connector on the left side of the module interfaces with groups C and D. Wiring to Field Devices Direct Method This method uses cables that have a mating female connector on the module end and stripped and tinned wires on the other end. You can purchase a pair of pre-wired cables, catalog numbers IC693CBL327 and IC693CBL328 or, if required for your application, build your own cables. Refer to Building Cables for 24-Pin Connectors in the IC693CBL327/328 data sheet in Appendix C of this manual for more information. Using a TBQC The Terminal Block Quick Connect method uses a pair of cables with connectors on each end. These connect from the module connectors to connectors on DIN rail mounted terminal blocks. The TBQC components are discussed in Appendix D. 7 7-44 Series 90-30 PLC I/O Module Specifications July 2000 GFK-0898F Table 7-23. Specifications for IC693MDL752 Rated Voltage 5, and 12 through 24 volts DC, negative logic (active low) Output Voltage Range 4.75 to 5.25 volts DC (TTL mode) 10.2 to 28.8 volts DC (12/24V mode) Outputs per Module Isolation 32 (four groups of eight outputs each) 1500 volts between field side and logic side 250 volts between groups Output Current 25 mA per point (maximum in TTL mode) 0.5 amps per point (maximum in 12/24V mode); with 4 amps maximum per group and 3 amps maximum per group common pin Output Characteristics Inrush Current 4.6 amps for 10 ms On-state (active low) 0.4 volts DC (maximum in TTL mode) Voltage Drop 0.24 volts DC (maximum in 12/24V mode) Off-state Leakage Current 0.1 mA maximum On Response Time 0.5 ms maximum Off Response Time 0.5 ms maximum Internal Power Consumption 260 mA (maximum) from 5 volt bus on backplane; (13 mA + 3 mA/point ON + 4.7 mA/LED) 12 mA (maximum) per group from user supply @ 5VDC and all eight outputs in group ON 25 mA (maximum) per group from user supply @ 12 VDC and all eight outputs in group ON 44 mA (maximum) per group from user supply @ 24 VDC and all eight outputs in group ON Refer to Appendix B for product standards and general specifications. Discrete Output Modules 7 GFK-0898F Chapter 7 Discrete Output Modules 7-45 IC693MDL752 Output Module Field Wiring Information The following three figures provide wiring information for connecting user supplied load devices and power source to the 5/24 volt DC negative logic output module.